Try lightened components, a seat swap and snow. You'll never make this car fast n/a. Get some aftermarket headers and just enjoy it or read up on forced induction.

I've had a few ej22 and trust me. No amount of weight reduction, lightweight flywheels and aftermarket 3" exhaust will ever make it fast on pavement.

Lowering these is the standard affair, raising them looks better unless it's a solid color car with wheels. Post pictures so we know what you are working with

Agreed.
While the chassis is sorta light, it's a 2.2NA. It is also an older platform, parts choices were slim when it was new, even slimmer now.
Intake basically makes noise.
Exhaust can get expensive.

I'm not a hater, we have a 99 Impreza L wagon with 240K on it, original owner. Son put on a CAI, axleback, some other bits.
More was done to brakes (03 WRX swap) and suspension.